Re: SymPy from inside Emacs

["Andreas Röhler" <andreas.roehler@easy-emacs.de>]

Am 13.05.22 um 16:18 schrieb Leo Butler:
> On Fri, May 13 2022, Andreas Röhler<andreas.roehler@easy-emacs.de>  wrote:
>
>> Am 13.05.22 um 09:47 schrieb Eli Zaretskii:
>>>> Date: Fri, 13 May 2022 09:34:14 +0200
>>>> From: Andreas Röhler<andreas.roehler@easy-emacs.de>
>>>>
>>>> the Python module SymPy displays math formulas. Running in a
>>>> bash-terminal at Xubuntu that works nicely.
>>>>    From Emacs however, the spaces in the upper line are wider than the
>>>> chars below.
>>>>
>>>> See attached sympy.png.
>>> I think that's because the · character (or something similar) used to
>>> depict the multiplication comes from another font, one that is not
>>> fixed-pitch and/or whose width is different from that of the default
>>> font.  The spaces are not the cause of this, they come from the
>>> default font and are always of the same width.
>>>
>> Okay, thanks, solved it by installing a truly monospaced font.
> Andreas, an alternative solution would be to define a filter function
> that filters the sympy output before insertion into the comint buffer.
> You could replace the offending characters with better behaved ones
> without changing font.
>
> C-h f comint-preoutput-filter-functions
>
> Leo


Thanks for the hint.

Andreas